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/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
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User interface services - X Window System |
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Copyright (C) Matthew Chapman 1999-2002 |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#include <X11/Xlib.h> |
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#include <X11/Xutil.h> |
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#include <time.h> |
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#include <errno.h> |
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#include "rdesktop.h" |
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#include "xproto.h" |
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|
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extern int g_width; |
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extern int g_height; |
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extern BOOL g_sendmotion; |
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extern BOOL g_fullscreen; |
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extern BOOL g_grab_keyboard; |
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extern BOOL g_hide_decorations; |
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extern char g_title[]; |
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extern int g_server_bpp; |
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extern int g_win_button_size; |
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BOOL g_enable_compose = False; |
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BOOL g_focused; |
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BOOL g_mouse_in_wnd; |
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|
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Display *g_display; |
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Time g_last_gesturetime; |
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static int g_x_socket; |
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static Screen *g_screen; |
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Window g_wnd; |
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static GC g_gc; |
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static Visual *g_visual; |
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static int g_depth; |
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static int g_bpp; |
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static XIM g_IM; |
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static XIC g_IC; |
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static XModifierKeymap *g_mod_map; |
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static Cursor g_current_cursor; |
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static Atom g_protocol_atom, g_kill_atom; |
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|
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/* endianness */ |
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static BOOL g_host_be; |
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static BOOL g_xserver_be; |
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|
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/* software backing store */ |
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static BOOL g_ownbackstore; |
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static Pixmap g_backstore; |
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|
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/* Moving in single app mode */ |
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static BOOL g_moving_wnd; |
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static int g_move_x_offset = 0; |
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static int g_move_y_offset = 0; |
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|
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/* MWM decorations */ |
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#define MWM_HINTS_DECORATIONS (1L << 1) |
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#define PROP_MOTIF_WM_HINTS_ELEMENTS 5 |
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typedef struct |
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{ |
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uint32 flags; |
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uint32 functions; |
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uint32 decorations; |
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sint32 inputMode; |
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uint32 status; |
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} |
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PropMotifWmHints; |
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|
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typedef struct |
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{ |
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uint32 red; |
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uint32 green; |
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uint32 blue; |
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} |
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PixelColour; |
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|
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|
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#define FILL_RECTANGLE(x,y,cx,cy)\ |
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{ \ |
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XFillRectangle(g_display, g_wnd, g_gc, x, y, cx, cy); \ |
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if (g_ownbackstore) \ |
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XFillRectangle(g_display, g_backstore, g_gc, x, y, cx, cy); \ |
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} |
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|
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#define FILL_RECTANGLE_BACKSTORE(x,y,cx,cy)\ |
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{ \ |
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XFillRectangle(g_display, g_ownbackstore ? g_backstore : g_wnd, g_gc, x, y, cx, cy); \ |
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} |
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|
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/* colour maps */ |
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BOOL g_owncolmap = False; |
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static Colormap g_xcolmap; |
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static uint32 *g_colmap = NULL; |
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|
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#define TRANSLATE(col) ( g_server_bpp != 8 ? translate_colour(col) : g_owncolmap ? col : translate_colour(g_colmap[col]) ) |
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#define SET_FOREGROUND(col) XSetForeground(g_display, g_gc, TRANSLATE(col)); |
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#define SET_BACKGROUND(col) XSetBackground(g_display, g_gc, TRANSLATE(col)); |
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|
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static int rop2_map[] = { |
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GXclear, /* 0 */ |
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GXnor, /* DPon */ |
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GXandInverted, /* DPna */ |
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GXcopyInverted, /* Pn */ |
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GXandReverse, /* PDna */ |
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GXinvert, /* Dn */ |
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GXxor, /* DPx */ |
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GXnand, /* DPan */ |
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GXand, /* DPa */ |
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GXequiv, /* DPxn */ |
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GXnoop, /* D */ |
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GXorInverted, /* DPno */ |
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GXcopy, /* P */ |
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GXorReverse, /* PDno */ |
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GXor, /* DPo */ |
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GXset /* 1 */ |
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}; |
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|
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#define SET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(g_display, g_gc, rop2_map[rop2]); } |
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#define RESET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(g_display, g_gc, GXcopy); } |
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|
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static void |
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mwm_hide_decorations(void) |
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{ |
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PropMotifWmHints motif_hints; |
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Atom hintsatom; |
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|
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/* setup the property */ |
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motif_hints.flags = MWM_HINTS_DECORATIONS; |
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motif_hints.decorations = 0; |
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|
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/* get the atom for the property */ |
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hintsatom = XInternAtom(g_display, "_MOTIF_WM_HINTS", False); |
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if (!hintsatom) |
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{ |
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warning("Failed to get atom _MOTIF_WM_HINTS: probably your window manager does not support MWM hints\n"); |
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return; |
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} |
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|
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XChangeProperty(g_display, g_wnd, hintsatom, hintsatom, 32, PropModeReplace, |
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(unsigned char *) &motif_hints, PROP_MOTIF_WM_HINTS_ELEMENTS); |
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} |
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|
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static PixelColour |
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split_colour15(uint32 colour) |
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{ |
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PixelColour rv; |
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rv.red = (colour & 0x7c00) >> 10; |
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rv.red = (rv.red * 0xff) / 0x1f; |
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rv.green = (colour & 0x03e0) >> 5; |
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rv.green = (rv.green * 0xff) / 0x1f; |
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rv.blue = (colour & 0x1f); |
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rv.blue = (rv.blue * 0xff) / 0x1f; |
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return rv; |
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} |
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|
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static PixelColour |
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split_colour16(uint32 colour) |
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{ |
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PixelColour rv; |
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rv.red = (colour & 0xf800) >> 11; |
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rv.red = (rv.red * 0xff) / 0x1f; |
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rv.green = (colour & 0x07e0) >> 5; |
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rv.green = (rv.green * 0xff) / 0x3f; |
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rv.blue = (colour & 0x001f); |
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rv.blue = (rv.blue * 0xff) / 0x1f; |
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return rv; |
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} |
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|
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static PixelColour |
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split_colour24(uint32 colour) |
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{ |
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PixelColour rv; |
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rv.blue = (colour & 0xff0000) >> 16; |
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rv.green = (colour & 0xff00) >> 8; |
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rv.red = (colour & 0xff); |
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return rv; |
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} |
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|
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static uint32 |
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make_colour16(PixelColour pc) |
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{ |
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pc.red = (pc.red * 0x1f) / 0xff; |
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pc.green = (pc.green * 0x3f) / 0xff; |
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pc.blue = (pc.blue * 0x1f) / 0xff; |
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return (pc.red << 11) | (pc.green << 5) | pc.blue; |
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} |
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|
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static uint32 |
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make_colour24(PixelColour pc) |
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{ |
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if (g_xserver_be) |
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{ |
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return pc.red | (pc.green << 8) | (pc.blue << 16); |
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} |
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else |
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{ |
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return (pc.red << 16) | (pc.green << 8) | pc.blue; |
211 |
} |
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} |
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|
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static uint32 |
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make_colour32(PixelColour pc) |
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{ |
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if (g_xserver_be) |
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{ |
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return pc.red | (pc.green << 8) | (pc.blue << 16); |
220 |
} |
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else |
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{ |
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return (pc.red << 16) | (pc.green << 8) | pc.blue; |
224 |
} |
225 |
} |
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|
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#define BSWAP16(x) { x = (((x & 0xff) << 8) | (x >> 8)); } |
228 |
#define BSWAP24(x) { x = (((x & 0xff) << 16) | (x >> 16) | ((x >> 8) & 0xff00)); } |
229 |
#define BSWAP32(x) { x = (((x & 0xff00ff) << 8) | ((x >> 8) & 0xff00ff)); \ |
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x = (x << 16) | (x >> 16); } |
231 |
|
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static uint32 |
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translate_colour(uint32 colour) |
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{ |
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switch (g_server_bpp) |
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{ |
237 |
case 15: |
238 |
switch (g_bpp) |
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{ |
240 |
case 16: |
241 |
colour = make_colour16(split_colour15(colour)); |
242 |
break; |
243 |
case 24: |
244 |
colour = make_colour24(split_colour15(colour)); |
245 |
break; |
246 |
case 32: |
247 |
colour = make_colour32(split_colour15(colour)); |
248 |
break; |
249 |
} |
250 |
break; |
251 |
case 16: |
252 |
switch (g_bpp) |
253 |
{ |
254 |
case 16: |
255 |
break; |
256 |
case 24: |
257 |
colour = make_colour24(split_colour16(colour)); |
258 |
break; |
259 |
case 32: |
260 |
colour = make_colour32(split_colour16(colour)); |
261 |
break; |
262 |
} |
263 |
break; |
264 |
case 24: |
265 |
switch (g_bpp) |
266 |
{ |
267 |
case 16: |
268 |
colour = make_colour16(split_colour24(colour)); |
269 |
break; |
270 |
case 24: |
271 |
break; |
272 |
case 32: |
273 |
colour = make_colour32(split_colour24(colour)); |
274 |
break; |
275 |
} |
276 |
break; |
277 |
} |
278 |
switch (g_bpp) |
279 |
{ |
280 |
case 16: |
281 |
if (g_host_be != g_xserver_be) |
282 |
BSWAP16(colour); |
283 |
break; |
284 |
|
285 |
case 24: |
286 |
if (g_xserver_be) |
287 |
BSWAP24(colour); |
288 |
break; |
289 |
|
290 |
case 32: |
291 |
if (g_host_be != g_xserver_be) |
292 |
BSWAP32(colour); |
293 |
break; |
294 |
} |
295 |
|
296 |
return colour; |
297 |
} |
298 |
|
299 |
static void |
300 |
translate8to8(uint8 * data, uint8 * out, uint8 * end) |
301 |
{ |
302 |
while (out < end) |
303 |
*(out++) = (uint8) g_colmap[*(data++)]; |
304 |
} |
305 |
|
306 |
static void |
307 |
translate8to16(uint8 * data, uint16 * out, uint16 * end) |
308 |
{ |
309 |
while (out < end) |
310 |
*(out++) = (uint16) g_colmap[*(data++)]; |
311 |
} |
312 |
|
313 |
/* little endian - conversion happens when colourmap is built */ |
314 |
static void |
315 |
translate8to24(uint8 * data, uint8 * out, uint8 * end) |
316 |
{ |
317 |
uint32 value; |
318 |
|
319 |
while (out < end) |
320 |
{ |
321 |
value = g_colmap[*(data++)]; |
322 |
*(out++) = value; |
323 |
*(out++) = value >> 8; |
324 |
*(out++) = value >> 16; |
325 |
} |
326 |
} |
327 |
|
328 |
static void |
329 |
translate8to32(uint8 * data, uint32 * out, uint32 * end) |
330 |
{ |
331 |
while (out < end) |
332 |
*(out++) = g_colmap[*(data++)]; |
333 |
} |
334 |
|
335 |
/* todo the remaining translate function might need some big endian check ?? */ |
336 |
|
337 |
static void |
338 |
translate15to16(uint16 * data, uint16 * out, uint16 * end) |
339 |
{ |
340 |
while (out < end) |
341 |
*(out++) = (uint16) make_colour16(split_colour15(*(data++))); |
342 |
} |
343 |
|
344 |
static void |
345 |
translate15to24(uint16 * data, uint8 * out, uint8 * end) |
346 |
{ |
347 |
uint32 value; |
348 |
|
349 |
while (out < end) |
350 |
{ |
351 |
value = make_colour24(split_colour15(*(data++))); |
352 |
*(out++) = value; |
353 |
*(out++) = value >> 8; |
354 |
*(out++) = value >> 16; |
355 |
} |
356 |
} |
357 |
|
358 |
static void |
359 |
translate15to32(uint16 * data, uint32 * out, uint32 * end) |
360 |
{ |
361 |
uint16 pixel; |
362 |
|
363 |
while (out < end) |
364 |
{ |
365 |
if (g_host_be) |
366 |
{ |
367 |
pixel = *(data++); |
368 |
pixel = (pixel & 0xff) << 8 | (pixel & 0xff00) >> 8; |
369 |
*(out++) = make_colour32(split_colour15(pixel)); |
370 |
} |
371 |
else |
372 |
{ |
373 |
*(out++) = make_colour32(split_colour15(*(data++))); |
374 |
} |
375 |
} |
376 |
} |
377 |
|
378 |
static void |
379 |
translate16to16(uint16 * data, uint16 * out, uint16 * end) |
380 |
{ |
381 |
while (out < end) |
382 |
*(out++) = (uint16) (*(data++)); |
383 |
} |
384 |
|
385 |
|
386 |
static void |
387 |
translate16to24(uint16 * data, uint8 * out, uint8 * end) |
388 |
{ |
389 |
uint32 value; |
390 |
|
391 |
while (out < end) |
392 |
{ |
393 |
value = make_colour24(split_colour16(*(data++))); |
394 |
*(out++) = value; |
395 |
*(out++) = value >> 8; |
396 |
*(out++) = value >> 16; |
397 |
} |
398 |
} |
399 |
|
400 |
static void |
401 |
translate16to32(uint16 * data, uint32 * out, uint32 * end) |
402 |
{ |
403 |
uint16 pixel; |
404 |
|
405 |
while (out < end) |
406 |
{ |
407 |
if (g_host_be) |
408 |
{ |
409 |
pixel = *(data++); |
410 |
pixel = (pixel & 0xff) << 8 | (pixel & 0xff00) >> 8; |
411 |
*(out++) = make_colour32(split_colour16(pixel)); |
412 |
} |
413 |
else |
414 |
{ |
415 |
*(out++) = make_colour32(split_colour16(*(data++))); |
416 |
} |
417 |
} |
418 |
} |
419 |
|
420 |
static void |
421 |
translate24to16(uint8 * data, uint16 * out, uint16 * end) |
422 |
{ |
423 |
uint32 pixel = 0; |
424 |
while (out < end) |
425 |
{ |
426 |
pixel = *(data++) << 16; |
427 |
pixel |= *(data++) << 8; |
428 |
pixel |= *(data++); |
429 |
*(out++) = (uint16) make_colour16(split_colour24(pixel)); |
430 |
} |
431 |
} |
432 |
|
433 |
static void |
434 |
translate24to24(uint8 * data, uint8 * out, uint8 * end) |
435 |
{ |
436 |
while (out < end) |
437 |
{ |
438 |
*(out++) = (*(data++)); |
439 |
} |
440 |
} |
441 |
|
442 |
static void |
443 |
translate24to32(uint8 * data, uint32 * out, uint32 * end) |
444 |
{ |
445 |
uint32 pixel = 0; |
446 |
while (out < end) |
447 |
{ |
448 |
if (g_host_be) |
449 |
{ |
450 |
pixel = *(data++) << 16; |
451 |
pixel |= *(data++) << 8; |
452 |
pixel |= *(data++); |
453 |
} |
454 |
else |
455 |
{ |
456 |
pixel = *(data++); |
457 |
pixel |= *(data++) << 8; |
458 |
pixel |= *(data++) << 16; |
459 |
} |
460 |
*(out++) = pixel; |
461 |
} |
462 |
} |
463 |
|
464 |
static uint8 * |
465 |
translate_image(int width, int height, uint8 * data) |
466 |
{ |
467 |
int size = width * height * g_bpp / 8; |
468 |
uint8 *out = (uint8 *) xmalloc(size); |
469 |
uint8 *end = out + size; |
470 |
|
471 |
switch (g_server_bpp) |
472 |
{ |
473 |
case 24: |
474 |
switch (g_bpp) |
475 |
{ |
476 |
case 32: |
477 |
translate24to32(data, (uint32 *) out, (uint32 *) end); |
478 |
break; |
479 |
case 24: |
480 |
translate24to24(data, out, end); |
481 |
break; |
482 |
case 16: |
483 |
translate24to16(data, (uint16 *) out, (uint16 *) end); |
484 |
break; |
485 |
} |
486 |
break; |
487 |
case 16: |
488 |
switch (g_bpp) |
489 |
{ |
490 |
case 32: |
491 |
translate16to32((uint16 *) data, (uint32 *) out, |
492 |
(uint32 *) end); |
493 |
break; |
494 |
case 24: |
495 |
translate16to24((uint16 *) data, out, end); |
496 |
break; |
497 |
case 16: |
498 |
translate16to16((uint16 *) data, (uint16 *) out, |
499 |
(uint16 *) end); |
500 |
break; |
501 |
} |
502 |
break; |
503 |
case 15: |
504 |
switch (g_bpp) |
505 |
{ |
506 |
case 32: |
507 |
translate15to32((uint16 *) data, (uint32 *) out, |
508 |
(uint32 *) end); |
509 |
break; |
510 |
case 24: |
511 |
translate15to24((uint16 *) data, out, end); |
512 |
break; |
513 |
case 16: |
514 |
translate15to16((uint16 *) data, (uint16 *) out, |
515 |
(uint16 *) end); |
516 |
break; |
517 |
} |
518 |
break; |
519 |
case 8: |
520 |
switch (g_bpp) |
521 |
{ |
522 |
case 8: |
523 |
translate8to8(data, out, end); |
524 |
break; |
525 |
case 16: |
526 |
translate8to16(data, (uint16 *) out, (uint16 *) end); |
527 |
break; |
528 |
case 24: |
529 |
translate8to24(data, out, end); |
530 |
break; |
531 |
case 32: |
532 |
translate8to32(data, (uint32 *) out, (uint32 *) end); |
533 |
break; |
534 |
} |
535 |
break; |
536 |
} |
537 |
return out; |
538 |
} |
539 |
|
540 |
BOOL |
541 |
get_key_state(unsigned int state, uint32 keysym) |
542 |
{ |
543 |
int modifierpos, key, keysymMask = 0; |
544 |
int offset; |
545 |
|
546 |
KeyCode keycode = XKeysymToKeycode(g_display, keysym); |
547 |
|
548 |
if (keycode == NoSymbol) |
549 |
return False; |
550 |
|
551 |
for (modifierpos = 0; modifierpos < 8; modifierpos++) |
552 |
{ |
553 |
offset = g_mod_map->max_keypermod * modifierpos; |
554 |
|
555 |
for (key = 0; key < g_mod_map->max_keypermod; key++) |
556 |
{ |
557 |
if (g_mod_map->modifiermap[offset + key] == keycode) |
558 |
keysymMask |= 1 << modifierpos; |
559 |
} |
560 |
} |
561 |
|
562 |
return (state & keysymMask) ? True : False; |
563 |
} |
564 |
|
565 |
BOOL |
566 |
ui_init(void) |
567 |
{ |
568 |
XPixmapFormatValues *pfm; |
569 |
uint16 test; |
570 |
int i; |
571 |
|
572 |
g_display = XOpenDisplay(NULL); |
573 |
if (g_display == NULL) |
574 |
{ |
575 |
error("Failed to open display: %s\n", XDisplayName(NULL)); |
576 |
return False; |
577 |
} |
578 |
|
579 |
g_x_socket = ConnectionNumber(g_display); |
580 |
g_screen = DefaultScreenOfDisplay(g_display); |
581 |
g_visual = DefaultVisualOfScreen(g_screen); |
582 |
g_depth = DefaultDepthOfScreen(g_screen); |
583 |
|
584 |
pfm = XListPixmapFormats(g_display, &i); |
585 |
if (pfm != NULL) |
586 |
{ |
587 |
/* Use maximum bpp for this depth - this is generally |
588 |
desirable, e.g. 24 bits->32 bits. */ |
589 |
while (i--) |
590 |
{ |
591 |
if ((pfm[i].depth == g_depth) && (pfm[i].bits_per_pixel > g_bpp)) |
592 |
{ |
593 |
g_bpp = pfm[i].bits_per_pixel; |
594 |
} |
595 |
} |
596 |
XFree(pfm); |
597 |
} |
598 |
|
599 |
if (g_bpp < 8) |
600 |
{ |
601 |
error("Less than 8 bpp not currently supported.\n"); |
602 |
XCloseDisplay(g_display); |
603 |
return False; |
604 |
} |
605 |
|
606 |
if (g_owncolmap != True) |
607 |
{ |
608 |
g_xcolmap = DefaultColormapOfScreen(g_screen); |
609 |
if (g_depth <= 8) |
610 |
warning("Screen depth is 8 bits or lower: you may want to use -C for a private colourmap\n"); |
611 |
} |
612 |
|
613 |
g_gc = XCreateGC(g_display, RootWindowOfScreen(g_screen), 0, NULL); |
614 |
|
615 |
if (DoesBackingStore(g_screen) != Always) |
616 |
g_ownbackstore = True; |
617 |
|
618 |
test = 1; |
619 |
g_host_be = !(BOOL) (*(uint8 *) (&test)); |
620 |
g_xserver_be = (ImageByteOrder(g_display) == MSBFirst); |
621 |
|
622 |
if ((g_width == 0) || (g_height == 0)) |
623 |
{ |
624 |
/* Fetch geometry from _NET_WORKAREA */ |
625 |
uint32 x, y, cx, cy; |
626 |
|
627 |
if (get_current_workarea(&x, &y, &cx, &cy) == 0) |
628 |
{ |
629 |
g_width = cx; |
630 |
g_height = cy; |
631 |
} |
632 |
else |
633 |
{ |
634 |
warning("Failed to get workarea: probably your window manager does not support extended hints\n"); |
635 |
g_width = 800; |
636 |
g_height = 600; |
637 |
} |
638 |
} |
639 |
|
640 |
if (g_fullscreen) |
641 |
{ |
642 |
g_width = WidthOfScreen(g_screen); |
643 |
g_height = HeightOfScreen(g_screen); |
644 |
} |
645 |
|
646 |
/* make sure width is a multiple of 4 */ |
647 |
g_width = (g_width + 3) & ~3; |
648 |
|
649 |
if (g_ownbackstore) |
650 |
{ |
651 |
g_backstore = |
652 |
XCreatePixmap(g_display, RootWindowOfScreen(g_screen), g_width, g_height, |
653 |
g_depth); |
654 |
|
655 |
/* clear to prevent rubbish being exposed at startup */ |
656 |
XSetForeground(g_display, g_gc, BlackPixelOfScreen(g_screen)); |
657 |
XFillRectangle(g_display, g_backstore, g_gc, 0, 0, g_width, g_height); |
658 |
} |
659 |
|
660 |
g_mod_map = XGetModifierMapping(g_display); |
661 |
|
662 |
if (g_enable_compose) |
663 |
g_IM = XOpenIM(g_display, NULL, NULL, NULL); |
664 |
|
665 |
xkeymap_init(); |
666 |
xclip_init(); |
667 |
|
668 |
/* todo take this out when high colour is done */ |
669 |
printf("server bpp %d client bpp %d depth %d\n", g_server_bpp, g_bpp, g_depth); |
670 |
|
671 |
return True; |
672 |
} |
673 |
|
674 |
void |
675 |
ui_deinit(void) |
676 |
{ |
677 |
if (g_IM != NULL) |
678 |
XCloseIM(g_IM); |
679 |
|
680 |
XFreeModifiermap(g_mod_map); |
681 |
|
682 |
if (g_ownbackstore) |
683 |
XFreePixmap(g_display, g_backstore); |
684 |
|
685 |
XFreeGC(g_display, g_gc); |
686 |
XCloseDisplay(g_display); |
687 |
g_display = NULL; |
688 |
} |
689 |
|
690 |
BOOL |
691 |
ui_create_window(void) |
692 |
{ |
693 |
XSetWindowAttributes attribs; |
694 |
XClassHint *classhints; |
695 |
XSizeHints *sizehints; |
696 |
int wndwidth, wndheight; |
697 |
long input_mask, ic_input_mask; |
698 |
XEvent xevent; |
699 |
|
700 |
wndwidth = g_fullscreen ? WidthOfScreen(g_screen) : g_width; |
701 |
wndheight = g_fullscreen ? HeightOfScreen(g_screen) : g_height; |
702 |
|
703 |
attribs.background_pixel = BlackPixelOfScreen(g_screen); |
704 |
attribs.backing_store = g_ownbackstore ? NotUseful : Always; |
705 |
attribs.override_redirect = g_fullscreen; |
706 |
|
707 |
g_wnd = XCreateWindow(g_display, RootWindowOfScreen(g_screen), 0, 0, wndwidth, wndheight, |
708 |
0, CopyFromParent, InputOutput, CopyFromParent, |
709 |
CWBackPixel | CWBackingStore | CWOverrideRedirect, &attribs); |
710 |
|
711 |
XStoreName(g_display, g_wnd, g_title); |
712 |
|
713 |
if (g_hide_decorations) |
714 |
mwm_hide_decorations(); |
715 |
|
716 |
classhints = XAllocClassHint(); |
717 |
if (classhints != NULL) |
718 |
{ |
719 |
classhints->res_name = classhints->res_class = "rdesktop"; |
720 |
XSetClassHint(g_display, g_wnd, classhints); |
721 |
XFree(classhints); |
722 |
} |
723 |
|
724 |
sizehints = XAllocSizeHints(); |
725 |
if (sizehints) |
726 |
{ |
727 |
sizehints->flags = PMinSize | PMaxSize; |
728 |
sizehints->min_width = sizehints->max_width = g_width; |
729 |
sizehints->min_height = sizehints->max_height = g_height; |
730 |
XSetWMNormalHints(g_display, g_wnd, sizehints); |
731 |
XFree(sizehints); |
732 |
} |
733 |
|
734 |
input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | |
735 |
VisibilityChangeMask | FocusChangeMask; |
736 |
|
737 |
if (g_sendmotion) |
738 |
input_mask |= PointerMotionMask; |
739 |
if (g_ownbackstore) |
740 |
input_mask |= ExposureMask; |
741 |
if (g_fullscreen || g_grab_keyboard) |
742 |
input_mask |= EnterWindowMask; |
743 |
if (g_grab_keyboard) |
744 |
input_mask |= LeaveWindowMask; |
745 |
|
746 |
if (g_IM != NULL) |
747 |
{ |
748 |
g_IC = XCreateIC(g_IM, XNInputStyle, (XIMPreeditNothing | XIMStatusNothing), |
749 |
XNClientWindow, g_wnd, XNFocusWindow, g_wnd, NULL); |
750 |
|
751 |
if ((g_IC != NULL) |
752 |
&& (XGetICValues(g_IC, XNFilterEvents, &ic_input_mask, NULL) == NULL)) |
753 |
input_mask |= ic_input_mask; |
754 |
} |
755 |
|
756 |
XSelectInput(g_display, g_wnd, input_mask); |
757 |
XMapWindow(g_display, g_wnd); |
758 |
|
759 |
/* wait for VisibilityNotify */ |
760 |
do |
761 |
{ |
762 |
XMaskEvent(g_display, VisibilityChangeMask, &xevent); |
763 |
} |
764 |
while (xevent.type != VisibilityNotify); |
765 |
|
766 |
g_focused = False; |
767 |
g_mouse_in_wnd = False; |
768 |
|
769 |
/* handle the WM_DELETE_WINDOW protocol */ |
770 |
g_protocol_atom = XInternAtom(g_display, "WM_PROTOCOLS", True); |
771 |
g_kill_atom = XInternAtom(g_display, "WM_DELETE_WINDOW", True); |
772 |
XSetWMProtocols(g_display, g_wnd, &g_kill_atom, 1); |
773 |
|
774 |
return True; |
775 |
} |
776 |
|
777 |
void |
778 |
ui_destroy_window(void) |
779 |
{ |
780 |
if (g_IC != NULL) |
781 |
XDestroyIC(g_IC); |
782 |
|
783 |
XDestroyWindow(g_display, g_wnd); |
784 |
} |
785 |
|
786 |
void |
787 |
xwin_toggle_fullscreen(void) |
788 |
{ |
789 |
Pixmap contents = 0; |
790 |
|
791 |
if (!g_ownbackstore) |
792 |
{ |
793 |
/* need to save contents of window */ |
794 |
contents = XCreatePixmap(g_display, g_wnd, g_width, g_height, g_depth); |
795 |
XCopyArea(g_display, g_wnd, contents, g_gc, 0, 0, g_width, g_height, 0, 0); |
796 |
} |
797 |
|
798 |
ui_destroy_window(); |
799 |
g_fullscreen = !g_fullscreen; |
800 |
ui_create_window(); |
801 |
|
802 |
XDefineCursor(g_display, g_wnd, g_current_cursor); |
803 |
|
804 |
if (!g_ownbackstore) |
805 |
{ |
806 |
XCopyArea(g_display, contents, g_wnd, g_gc, 0, 0, g_width, g_height, 0, 0); |
807 |
XFreePixmap(g_display, contents); |
808 |
} |
809 |
} |
810 |
|
811 |
/* Process all events in Xlib queue |
812 |
Returns 0 after user quit, 1 otherwise */ |
813 |
static int |
814 |
xwin_process_events(void) |
815 |
{ |
816 |
XEvent xevent; |
817 |
KeySym keysym; |
818 |
uint16 button, flags; |
819 |
uint32 ev_time; |
820 |
key_translation tr; |
821 |
char str[256]; |
822 |
Status status; |
823 |
unsigned int state; |
824 |
Window wdummy; |
825 |
int dummy; |
826 |
|
827 |
while (XPending(g_display) > 0) |
828 |
{ |
829 |
XNextEvent(g_display, &xevent); |
830 |
|
831 |
if ((g_IC != NULL) && (XFilterEvent(&xevent, None) == True)) |
832 |
{ |
833 |
DEBUG_KBD(("Filtering event\n")); |
834 |
continue; |
835 |
} |
836 |
|
837 |
flags = 0; |
838 |
|
839 |
switch (xevent.type) |
840 |
{ |
841 |
case ClientMessage: |
842 |
/* the window manager told us to quit */ |
843 |
if ((xevent.xclient.message_type == g_protocol_atom) |
844 |
&& ((Atom) xevent.xclient.data.l[0] == g_kill_atom)) |
845 |
/* Quit */ |
846 |
return 0; |
847 |
break; |
848 |
|
849 |
case KeyPress: |
850 |
g_last_gesturetime = xevent.xkey.time; |
851 |
if (g_IC != NULL) |
852 |
/* Multi_key compatible version */ |
853 |
{ |
854 |
XmbLookupString(g_IC, |
855 |
&xevent.xkey, str, sizeof(str), &keysym, |
856 |
&status); |
857 |
if (!((status == XLookupKeySym) || (status == XLookupBoth))) |
858 |
{ |
859 |
error("XmbLookupString failed with status 0x%x\n", |
860 |
status); |
861 |
break; |
862 |
} |
863 |
} |
864 |
else |
865 |
{ |
866 |
/* Plain old XLookupString */ |
867 |
DEBUG_KBD(("\nNo input context, using XLookupString\n")); |
868 |
XLookupString((XKeyEvent *) & xevent, |
869 |
str, sizeof(str), &keysym, NULL); |
870 |
} |
871 |
|
872 |
DEBUG_KBD(("KeyPress for (keysym 0x%lx, %s)\n", keysym, |
873 |
get_ksname(keysym))); |
874 |
|
875 |
ev_time = time(NULL); |
876 |
if (handle_special_keys(keysym, xevent.xkey.state, ev_time, True)) |
877 |
break; |
878 |
|
879 |
tr = xkeymap_translate_key(keysym, |
880 |
xevent.xkey.keycode, xevent.xkey.state); |
881 |
|
882 |
if (tr.scancode == 0) |
883 |
break; |
884 |
|
885 |
save_remote_modifiers(tr.scancode); |
886 |
ensure_remote_modifiers(ev_time, tr); |
887 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); |
888 |
restore_remote_modifiers(ev_time, tr.scancode); |
889 |
|
890 |
break; |
891 |
|
892 |
case KeyRelease: |
893 |
g_last_gesturetime = xevent.xkey.time; |
894 |
XLookupString((XKeyEvent *) & xevent, str, |
895 |
sizeof(str), &keysym, NULL); |
896 |
|
897 |
DEBUG_KBD(("\nKeyRelease for (keysym 0x%lx, %s)\n", keysym, |
898 |
get_ksname(keysym))); |
899 |
|
900 |
ev_time = time(NULL); |
901 |
if (handle_special_keys(keysym, xevent.xkey.state, ev_time, False)) |
902 |
break; |
903 |
|
904 |
tr = xkeymap_translate_key(keysym, |
905 |
xevent.xkey.keycode, xevent.xkey.state); |
906 |
|
907 |
if (tr.scancode == 0) |
908 |
break; |
909 |
|
910 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); |
911 |
break; |
912 |
|
913 |
case ButtonPress: |
914 |
flags = MOUSE_FLAG_DOWN; |
915 |
/* fall through */ |
916 |
|
917 |
case ButtonRelease: |
918 |
g_last_gesturetime = xevent.xbutton.time; |
919 |
button = xkeymap_translate_button(xevent.xbutton.button); |
920 |
if (button == 0) |
921 |
break; |
922 |
|
923 |
/* If win_button_size is nonzero, enable single app mode */ |
924 |
if (xevent.xbutton.y < g_win_button_size) |
925 |
{ |
926 |
/* Stop moving window when button is released, regardless of cursor position */ |
927 |
if (g_moving_wnd && (xevent.type == ButtonRelease)) |
928 |
g_moving_wnd = False; |
929 |
|
930 |
/* Check from right to left: */ |
931 |
|
932 |
if (xevent.xbutton.x >= g_width - g_win_button_size) |
933 |
{ |
934 |
/* The close button, continue */ |
935 |
; |
936 |
} |
937 |
else if (xevent.xbutton.x >= |
938 |
g_width - g_win_button_size * 2) |
939 |
{ |
940 |
/* The maximize/restore button. Do not send to |
941 |
server. It might be a good idea to change the |
942 |
cursor or give some other visible indication |
943 |
that rdesktop inhibited this click */ |
944 |
break; |
945 |
} |
946 |
else if (xevent.xbutton.x >= |
947 |
g_width - g_win_button_size * 3) |
948 |
{ |
949 |
/* The minimize button. Iconify window. */ |
950 |
XIconifyWindow(g_display, g_wnd, |
951 |
DefaultScreen(g_display)); |
952 |
break; |
953 |
} |
954 |
else if (xevent.xbutton.x <= g_win_button_size) |
955 |
{ |
956 |
/* The system menu. Ignore. */ |
957 |
break; |
958 |
} |
959 |
else |
960 |
{ |
961 |
/* The title bar. */ |
962 |
if ((xevent.type == ButtonPress) && !g_fullscreen |
963 |
&& g_hide_decorations) |
964 |
{ |
965 |
g_moving_wnd = True; |
966 |
g_move_x_offset = xevent.xbutton.x; |
967 |
g_move_y_offset = xevent.xbutton.y; |
968 |
} |
969 |
break; |
970 |
|
971 |
} |
972 |
} |
973 |
|
974 |
rdp_send_input(time(NULL), RDP_INPUT_MOUSE, |
975 |
flags | button, xevent.xbutton.x, xevent.xbutton.y); |
976 |
break; |
977 |
|
978 |
case MotionNotify: |
979 |
if (g_moving_wnd) |
980 |
{ |
981 |
XMoveWindow(g_display, g_wnd, |
982 |
xevent.xmotion.x_root - g_move_x_offset, |
983 |
xevent.xmotion.y_root - g_move_y_offset); |
984 |
break; |
985 |
} |
986 |
|
987 |
if (g_fullscreen && !g_focused) |
988 |
XSetInputFocus(g_display, g_wnd, RevertToPointerRoot, |
989 |
CurrentTime); |
990 |
rdp_send_input(time(NULL), RDP_INPUT_MOUSE, |
991 |
MOUSE_FLAG_MOVE, xevent.xmotion.x, xevent.xmotion.y); |
992 |
break; |
993 |
|
994 |
case FocusIn: |
995 |
if (xevent.xfocus.mode == NotifyGrab) |
996 |
break; |
997 |
g_focused = True; |
998 |
XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, |
999 |
&dummy, &dummy, &state); |
1000 |
reset_modifier_keys(state); |
1001 |
if (g_grab_keyboard && g_mouse_in_wnd) |
1002 |
XGrabKeyboard(g_display, g_wnd, True, |
1003 |
GrabModeAsync, GrabModeAsync, CurrentTime); |
1004 |
break; |
1005 |
|
1006 |
case FocusOut: |
1007 |
if (xevent.xfocus.mode == NotifyUngrab) |
1008 |
break; |
1009 |
g_focused = False; |
1010 |
if (xevent.xfocus.mode == NotifyWhileGrabbed) |
1011 |
XUngrabKeyboard(g_display, CurrentTime); |
1012 |
break; |
1013 |
|
1014 |
case EnterNotify: |
1015 |
/* we only register for this event when in fullscreen mode */ |
1016 |
/* or grab_keyboard */ |
1017 |
g_mouse_in_wnd = True; |
1018 |
if (g_fullscreen) |
1019 |
{ |
1020 |
XSetInputFocus(g_display, g_wnd, RevertToPointerRoot, |
1021 |
CurrentTime); |
1022 |
break; |
1023 |
} |
1024 |
if (g_focused) |
1025 |
XGrabKeyboard(g_display, g_wnd, True, |
1026 |
GrabModeAsync, GrabModeAsync, CurrentTime); |
1027 |
break; |
1028 |
|
1029 |
case LeaveNotify: |
1030 |
/* we only register for this event when grab_keyboard */ |
1031 |
g_mouse_in_wnd = False; |
1032 |
XUngrabKeyboard(g_display, CurrentTime); |
1033 |
break; |
1034 |
|
1035 |
case Expose: |
1036 |
XCopyArea(g_display, g_backstore, g_wnd, g_gc, |
1037 |
xevent.xexpose.x, xevent.xexpose.y, |
1038 |
xevent.xexpose.width, |
1039 |
xevent.xexpose.height, |
1040 |
xevent.xexpose.x, xevent.xexpose.y); |
1041 |
break; |
1042 |
|
1043 |
case MappingNotify: |
1044 |
/* Refresh keyboard mapping if it has changed. This is important for |
1045 |
Xvnc, since it allocates keycodes dynamically */ |
1046 |
if (xevent.xmapping.request == MappingKeyboard |
1047 |
|| xevent.xmapping.request == MappingModifier) |
1048 |
XRefreshKeyboardMapping(&xevent.xmapping); |
1049 |
|
1050 |
if (xevent.xmapping.request == MappingModifier) |
1051 |
{ |
1052 |
XFreeModifiermap(g_mod_map); |
1053 |
g_mod_map = XGetModifierMapping(g_display); |
1054 |
} |
1055 |
break; |
1056 |
|
1057 |
/* clipboard stuff */ |
1058 |
case SelectionNotify: |
1059 |
xclip_handle_SelectionNotify(&xevent.xselection); |
1060 |
break; |
1061 |
case SelectionRequest: |
1062 |
xclip_handle_SelectionRequest(&xevent.xselectionrequest); |
1063 |
break; |
1064 |
case SelectionClear: |
1065 |
xclip_handle_SelectionClear(); |
1066 |
break; |
1067 |
case PropertyNotify: |
1068 |
xclip_handle_PropertyNotify(&xevent.xproperty); |
1069 |
break; |
1070 |
} |
1071 |
} |
1072 |
/* Keep going */ |
1073 |
return 1; |
1074 |
} |
1075 |
|
1076 |
/* Returns 0 after user quit, 1 otherwise */ |
1077 |
int |
1078 |
ui_select(int rdp_socket) |
1079 |
{ |
1080 |
int n = (rdp_socket > g_x_socket) ? rdp_socket + 1 : g_x_socket + 1; |
1081 |
fd_set rfds; |
1082 |
|
1083 |
FD_ZERO(&rfds); |
1084 |
|
1085 |
while (True) |
1086 |
{ |
1087 |
/* Process any events already waiting */ |
1088 |
if (!xwin_process_events()) |
1089 |
/* User quit */ |
1090 |
return 0; |
1091 |
|
1092 |
FD_ZERO(&rfds); |
1093 |
FD_SET(rdp_socket, &rfds); |
1094 |
FD_SET(g_x_socket, &rfds); |
1095 |
|
1096 |
switch (select(n, &rfds, NULL, NULL, NULL)) |
1097 |
{ |
1098 |
case -1: |
1099 |
error("select: %s\n", strerror(errno)); |
1100 |
|
1101 |
case 0: |
1102 |
continue; |
1103 |
} |
1104 |
|
1105 |
if (FD_ISSET(rdp_socket, &rfds)) |
1106 |
return 1; |
1107 |
} |
1108 |
} |
1109 |
|
1110 |
void |
1111 |
ui_move_pointer(int x, int y) |
1112 |
{ |
1113 |
XWarpPointer(g_display, g_wnd, g_wnd, 0, 0, 0, 0, x, y); |
1114 |
} |
1115 |
|
1116 |
HBITMAP |
1117 |
ui_create_bitmap(int width, int height, uint8 * data) |
1118 |
{ |
1119 |
XImage *image; |
1120 |
Pixmap bitmap; |
1121 |
uint8 *tdata; |
1122 |
|
1123 |
tdata = (g_owncolmap ? data : translate_image(width, height, data)); |
1124 |
bitmap = XCreatePixmap(g_display, g_wnd, width, height, g_depth); |
1125 |
image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0, |
1126 |
(char *) tdata, width, height, g_server_bpp == 8 ? 8 : g_bpp, 0); |
1127 |
|
1128 |
XPutImage(g_display, bitmap, g_gc, image, 0, 0, 0, 0, width, height); |
1129 |
|
1130 |
XFree(image); |
1131 |
if (!g_owncolmap) |
1132 |
xfree(tdata); |
1133 |
return (HBITMAP) bitmap; |
1134 |
} |
1135 |
|
1136 |
void |
1137 |
ui_paint_bitmap(int x, int y, int cx, int cy, int width, int height, uint8 * data) |
1138 |
{ |
1139 |
XImage *image; |
1140 |
uint8 *tdata; |
1141 |
tdata = (g_owncolmap ? data : translate_image(width, height, data)); |
1142 |
image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0, |
1143 |
(char *) tdata, width, height, g_server_bpp == 8 ? 8 : g_bpp, 0); |
1144 |
|
1145 |
if (g_ownbackstore) |
1146 |
{ |
1147 |
XPutImage(g_display, g_backstore, g_gc, image, 0, 0, x, y, cx, cy); |
1148 |
XCopyArea(g_display, g_backstore, g_wnd, g_gc, x, y, cx, cy, x, y); |
1149 |
} |
1150 |
else |
1151 |
{ |
1152 |
XPutImage(g_display, g_wnd, g_gc, image, 0, 0, x, y, cx, cy); |
1153 |
} |
1154 |
|
1155 |
XFree(image); |
1156 |
if (!g_owncolmap) |
1157 |
xfree(tdata); |
1158 |
} |
1159 |
|
1160 |
void |
1161 |
ui_destroy_bitmap(HBITMAP bmp) |
1162 |
{ |
1163 |
XFreePixmap(g_display, (Pixmap) bmp); |
1164 |
} |
1165 |
|
1166 |
HGLYPH |
1167 |
ui_create_glyph(int width, int height, uint8 * data) |
1168 |
{ |
1169 |
XImage *image; |
1170 |
Pixmap bitmap; |
1171 |
int scanline; |
1172 |
GC gc; |
1173 |
|
1174 |
scanline = (width + 7) / 8; |
1175 |
|
1176 |
bitmap = XCreatePixmap(g_display, g_wnd, width, height, 1); |
1177 |
gc = XCreateGC(g_display, bitmap, 0, NULL); |
1178 |
|
1179 |
image = XCreateImage(g_display, g_visual, 1, ZPixmap, 0, (char *) data, |
1180 |
width, height, 8, scanline); |
1181 |
image->byte_order = MSBFirst; |
1182 |
image->bitmap_bit_order = MSBFirst; |
1183 |
XInitImage(image); |
1184 |
|
1185 |
XPutImage(g_display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
1186 |
|
1187 |
XFree(image); |
1188 |
XFreeGC(g_display, gc); |
1189 |
return (HGLYPH) bitmap; |
1190 |
} |
1191 |
|
1192 |
void |
1193 |
ui_destroy_glyph(HGLYPH glyph) |
1194 |
{ |
1195 |
XFreePixmap(g_display, (Pixmap) glyph); |
1196 |
} |
1197 |
|
1198 |
HCURSOR |
1199 |
ui_create_cursor(unsigned int x, unsigned int y, int width, int height, |
1200 |
uint8 * andmask, uint8 * xormask) |
1201 |
{ |
1202 |
HGLYPH maskglyph, cursorglyph; |
1203 |
XColor bg, fg; |
1204 |
Cursor xcursor; |
1205 |
uint8 *cursor, *pcursor; |
1206 |
uint8 *mask, *pmask; |
1207 |
uint8 nextbit; |
1208 |
int scanline, offset; |
1209 |
int i, j; |
1210 |
|
1211 |
scanline = (width + 7) / 8; |
1212 |
offset = scanline * height; |
1213 |
|
1214 |
cursor = (uint8 *) xmalloc(offset); |
1215 |
memset(cursor, 0, offset); |
1216 |
|
1217 |
mask = (uint8 *) xmalloc(offset); |
1218 |
memset(mask, 0, offset); |
1219 |
|
1220 |
/* approximate AND and XOR masks with a monochrome X pointer */ |
1221 |
for (i = 0; i < height; i++) |
1222 |
{ |
1223 |
offset -= scanline; |
1224 |
pcursor = &cursor[offset]; |
1225 |
pmask = &mask[offset]; |
1226 |
|
1227 |
for (j = 0; j < scanline; j++) |
1228 |
{ |
1229 |
for (nextbit = 0x80; nextbit != 0; nextbit >>= 1) |
1230 |
{ |
1231 |
if (xormask[0] || xormask[1] || xormask[2]) |
1232 |
{ |
1233 |
*pcursor |= (~(*andmask) & nextbit); |
1234 |
*pmask |= nextbit; |
1235 |
} |
1236 |
else |
1237 |
{ |
1238 |
*pcursor |= ((*andmask) & nextbit); |
1239 |
*pmask |= (~(*andmask) & nextbit); |
1240 |
} |
1241 |
|
1242 |
xormask += 3; |
1243 |
} |
1244 |
|
1245 |
andmask++; |
1246 |
pcursor++; |
1247 |
pmask++; |
1248 |
} |
1249 |
} |
1250 |
|
1251 |
fg.red = fg.blue = fg.green = 0xffff; |
1252 |
bg.red = bg.blue = bg.green = 0x0000; |
1253 |
fg.flags = bg.flags = DoRed | DoBlue | DoGreen; |
1254 |
|
1255 |
cursorglyph = ui_create_glyph(width, height, cursor); |
1256 |
maskglyph = ui_create_glyph(width, height, mask); |
1257 |
|
1258 |
xcursor = |
1259 |
XCreatePixmapCursor(g_display, (Pixmap) cursorglyph, |
1260 |
(Pixmap) maskglyph, &fg, &bg, x, y); |
1261 |
|
1262 |
ui_destroy_glyph(maskglyph); |
1263 |
ui_destroy_glyph(cursorglyph); |
1264 |
xfree(mask); |
1265 |
xfree(cursor); |
1266 |
return (HCURSOR) xcursor; |
1267 |
} |
1268 |
|
1269 |
void |
1270 |
ui_set_cursor(HCURSOR cursor) |
1271 |
{ |
1272 |
g_current_cursor = (Cursor) cursor; |
1273 |
XDefineCursor(g_display, g_wnd, g_current_cursor); |
1274 |
} |
1275 |
|
1276 |
void |
1277 |
ui_destroy_cursor(HCURSOR cursor) |
1278 |
{ |
1279 |
XFreeCursor(g_display, (Cursor) cursor); |
1280 |
} |
1281 |
|
1282 |
#define MAKE_XCOLOR(xc,c) \ |
1283 |
(xc)->red = ((c)->red << 8) | (c)->red; \ |
1284 |
(xc)->green = ((c)->green << 8) | (c)->green; \ |
1285 |
(xc)->blue = ((c)->blue << 8) | (c)->blue; \ |
1286 |
(xc)->flags = DoRed | DoGreen | DoBlue; |
1287 |
|
1288 |
|
1289 |
HCOLOURMAP |
1290 |
ui_create_colourmap(COLOURMAP * colours) |
1291 |
{ |
1292 |
COLOURENTRY *entry; |
1293 |
int i, ncolours = colours->ncolours; |
1294 |
if (!g_owncolmap) |
1295 |
{ |
1296 |
uint32 *map = (uint32 *) xmalloc(sizeof(*g_colmap) * ncolours); |
1297 |
XColor xentry; |
1298 |
XColor xc_cache[256]; |
1299 |
uint32 colour; |
1300 |
int colLookup = 256; |
1301 |
for (i = 0; i < ncolours; i++) |
1302 |
{ |
1303 |
entry = &colours->colours[i]; |
1304 |
MAKE_XCOLOR(&xentry, entry); |
1305 |
|
1306 |
if (XAllocColor(g_display, g_xcolmap, &xentry) == 0) |
1307 |
{ |
1308 |
/* Allocation failed, find closest match. */ |
1309 |
int j = 256; |
1310 |
int nMinDist = 3 * 256 * 256; |
1311 |
long nDist = nMinDist; |
1312 |
|
1313 |
/* only get the colors once */ |
1314 |
while (colLookup--) |
1315 |
{ |
1316 |
xc_cache[colLookup].pixel = colLookup; |
1317 |
xc_cache[colLookup].red = xc_cache[colLookup].green = |
1318 |
xc_cache[colLookup].blue = 0; |
1319 |
xc_cache[colLookup].flags = 0; |
1320 |
XQueryColor(g_display, |
1321 |
DefaultColormap(g_display, |
1322 |
DefaultScreen(g_display)), |
1323 |
&xc_cache[colLookup]); |
1324 |
} |
1325 |
colLookup = 0; |
1326 |
|
1327 |
/* approximate the pixel */ |
1328 |
while (j--) |
1329 |
{ |
1330 |
if (xc_cache[j].flags) |
1331 |
{ |
1332 |
nDist = ((long) (xc_cache[j].red >> 8) - |
1333 |
(long) (xentry.red >> 8)) * |
1334 |
((long) (xc_cache[j].red >> 8) - |
1335 |
(long) (xentry.red >> 8)) + |
1336 |
((long) (xc_cache[j].green >> 8) - |
1337 |
(long) (xentry.green >> 8)) * |
1338 |
((long) (xc_cache[j].green >> 8) - |
1339 |
(long) (xentry.green >> 8)) + |
1340 |
((long) (xc_cache[j].blue >> 8) - |
1341 |
(long) (xentry.blue >> 8)) * |
1342 |
((long) (xc_cache[j].blue >> 8) - |
1343 |
(long) (xentry.blue >> 8)); |
1344 |
} |
1345 |
if (nDist < nMinDist) |
1346 |
{ |
1347 |
nMinDist = nDist; |
1348 |
xentry.pixel = j; |
1349 |
} |
1350 |
} |
1351 |
} |
1352 |
colour = xentry.pixel; |
1353 |
|
1354 |
/* update our cache */ |
1355 |
if (xentry.pixel < 256) |
1356 |
{ |
1357 |
xc_cache[xentry.pixel].red = xentry.red; |
1358 |
xc_cache[xentry.pixel].green = xentry.green; |
1359 |
xc_cache[xentry.pixel].blue = xentry.blue; |
1360 |
|
1361 |
} |
1362 |
|
1363 |
|
1364 |
/* byte swap here to make translate_image faster */ |
1365 |
map[i] = translate_colour(colour); |
1366 |
} |
1367 |
return map; |
1368 |
} |
1369 |
else |
1370 |
{ |
1371 |
XColor *xcolours, *xentry; |
1372 |
Colormap map; |
1373 |
|
1374 |
xcolours = (XColor *) xmalloc(sizeof(XColor) * ncolours); |
1375 |
for (i = 0; i < ncolours; i++) |
1376 |
{ |
1377 |
entry = &colours->colours[i]; |
1378 |
xentry = &xcolours[i]; |
1379 |
xentry->pixel = i; |
1380 |
MAKE_XCOLOR(xentry, entry); |
1381 |
} |
1382 |
|
1383 |
map = XCreateColormap(g_display, g_wnd, g_visual, AllocAll); |
1384 |
XStoreColors(g_display, map, xcolours, ncolours); |
1385 |
|
1386 |
xfree(xcolours); |
1387 |
return (HCOLOURMAP) map; |
1388 |
} |
1389 |
} |
1390 |
|
1391 |
void |
1392 |
ui_destroy_colourmap(HCOLOURMAP map) |
1393 |
{ |
1394 |
if (!g_owncolmap) |
1395 |
xfree(map); |
1396 |
else |
1397 |
XFreeColormap(g_display, (Colormap) map); |
1398 |
} |
1399 |
|
1400 |
void |
1401 |
ui_set_colourmap(HCOLOURMAP map) |
1402 |
{ |
1403 |
if (!g_owncolmap) |
1404 |
{ |
1405 |
if (g_colmap) |
1406 |
xfree(g_colmap); |
1407 |
|
1408 |
g_colmap = (uint32 *) map; |
1409 |
} |
1410 |
else |
1411 |
XSetWindowColormap(g_display, g_wnd, (Colormap) map); |
1412 |
} |
1413 |
|
1414 |
void |
1415 |
ui_set_clip(int x, int y, int cx, int cy) |
1416 |
{ |
1417 |
XRectangle rect; |
1418 |
|
1419 |
rect.x = x; |
1420 |
rect.y = y; |
1421 |
rect.width = cx; |
1422 |
rect.height = cy; |
1423 |
XSetClipRectangles(g_display, g_gc, 0, 0, &rect, 1, YXBanded); |
1424 |
} |
1425 |
|
1426 |
void |
1427 |
ui_reset_clip(void) |
1428 |
{ |
1429 |
XRectangle rect; |
1430 |
|
1431 |
rect.x = 0; |
1432 |
rect.y = 0; |
1433 |
rect.width = g_width; |
1434 |
rect.height = g_height; |
1435 |
XSetClipRectangles(g_display, g_gc, 0, 0, &rect, 1, YXBanded); |
1436 |
} |
1437 |
|
1438 |
void |
1439 |
ui_bell(void) |
1440 |
{ |
1441 |
XBell(g_display, 0); |
1442 |
} |
1443 |
|
1444 |
void |
1445 |
ui_destblt(uint8 opcode, |
1446 |
/* dest */ int x, int y, int cx, int cy) |
1447 |
{ |
1448 |
SET_FUNCTION(opcode); |
1449 |
FILL_RECTANGLE(x, y, cx, cy); |
1450 |
RESET_FUNCTION(opcode); |
1451 |
} |
1452 |
|
1453 |
static uint8 hatch_patterns[] = { |
1454 |
0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, /* 0 - bsHorizontal */ |
1455 |
0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, /* 1 - bsVertical */ |
1456 |
0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01, /* 2 - bsFDiagonal */ |
1457 |
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, /* 3 - bsBDiagonal */ |
1458 |
0x08, 0x08, 0x08, 0xff, 0x08, 0x08, 0x08, 0x08, /* 4 - bsCross */ |
1459 |
0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81 /* 5 - bsDiagCross */ |
1460 |
}; |
1461 |
|
1462 |
void |
1463 |
ui_patblt(uint8 opcode, |
1464 |
/* dest */ int x, int y, int cx, int cy, |
1465 |
/* brush */ BRUSH * brush, int bgcolour, int fgcolour) |
1466 |
{ |
1467 |
Pixmap fill; |
1468 |
uint8 i, ipattern[8]; |
1469 |
|
1470 |
SET_FUNCTION(opcode); |
1471 |
|
1472 |
switch (brush->style) |
1473 |
{ |
1474 |
case 0: /* Solid */ |
1475 |
SET_FOREGROUND(fgcolour); |
1476 |
FILL_RECTANGLE(x, y, cx, cy); |
1477 |
break; |
1478 |
|
1479 |
case 2: /* Hatch */ |
1480 |
fill = (Pixmap) ui_create_glyph(8, 8, |
1481 |
hatch_patterns + brush->pattern[0] * 8); |
1482 |
SET_FOREGROUND(bgcolour); |
1483 |
SET_BACKGROUND(fgcolour); |
1484 |
XSetFillStyle(g_display, g_gc, FillOpaqueStippled); |
1485 |
XSetStipple(g_display, g_gc, fill); |
1486 |
XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin); |
1487 |
FILL_RECTANGLE(x, y, cx, cy); |
1488 |
XSetFillStyle(g_display, g_gc, FillSolid); |
1489 |
XSetTSOrigin(g_display, g_gc, 0, 0); |
1490 |
ui_destroy_glyph((HGLYPH) fill); |
1491 |
break; |
1492 |
|
1493 |
case 3: /* Pattern */ |
1494 |
for (i = 0; i != 8; i++) |
1495 |
ipattern[7 - i] = brush->pattern[i]; |
1496 |
fill = (Pixmap) ui_create_glyph(8, 8, ipattern); |
1497 |
|
1498 |
SET_FOREGROUND(bgcolour); |
1499 |
SET_BACKGROUND(fgcolour); |
1500 |
XSetFillStyle(g_display, g_gc, FillOpaqueStippled); |
1501 |
XSetStipple(g_display, g_gc, fill); |
1502 |
XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin); |
1503 |
|
1504 |
FILL_RECTANGLE(x, y, cx, cy); |
1505 |
|
1506 |
XSetFillStyle(g_display, g_gc, FillSolid); |
1507 |
XSetTSOrigin(g_display, g_gc, 0, 0); |
1508 |
ui_destroy_glyph((HGLYPH) fill); |
1509 |
break; |
1510 |
|
1511 |
default: |
1512 |
unimpl("brush %d\n", brush->style); |
1513 |
} |
1514 |
|
1515 |
RESET_FUNCTION(opcode); |
1516 |
} |
1517 |
|
1518 |
void |
1519 |
ui_screenblt(uint8 opcode, |
1520 |
/* dest */ int x, int y, int cx, int cy, |
1521 |
/* src */ int srcx, int srcy) |
1522 |
{ |
1523 |
SET_FUNCTION(opcode); |
1524 |
XCopyArea(g_display, g_wnd, g_wnd, g_gc, srcx, srcy, cx, cy, x, y); |
1525 |
if (g_ownbackstore) |
1526 |
XCopyArea(g_display, g_backstore, g_backstore, g_gc, srcx, srcy, cx, cy, x, y); |
1527 |
RESET_FUNCTION(opcode); |
1528 |
} |
1529 |
|
1530 |
void |
1531 |
ui_memblt(uint8 opcode, |
1532 |
/* dest */ int x, int y, int cx, int cy, |
1533 |
/* src */ HBITMAP src, int srcx, int srcy) |
1534 |
{ |
1535 |
SET_FUNCTION(opcode); |
1536 |
XCopyArea(g_display, (Pixmap) src, g_wnd, g_gc, srcx, srcy, cx, cy, x, y); |
1537 |
if (g_ownbackstore) |
1538 |
XCopyArea(g_display, (Pixmap) src, g_backstore, g_gc, srcx, srcy, cx, cy, x, y); |
1539 |
RESET_FUNCTION(opcode); |
1540 |
} |
1541 |
|
1542 |
void |
1543 |
ui_triblt(uint8 opcode, |
1544 |
/* dest */ int x, int y, int cx, int cy, |
1545 |
/* src */ HBITMAP src, int srcx, int srcy, |
1546 |
/* brush */ BRUSH * brush, int bgcolour, int fgcolour) |
1547 |
{ |
1548 |
/* This is potentially difficult to do in general. Until someone |
1549 |
comes up with a more efficient way of doing it I am using cases. */ |
1550 |
|
1551 |
switch (opcode) |
1552 |
{ |
1553 |
case 0x69: /* PDSxxn */ |
1554 |
ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy); |
1555 |
ui_patblt(ROP2_NXOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1556 |
break; |
1557 |
|
1558 |
case 0xb8: /* PSDPxax */ |
1559 |
ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1560 |
ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy); |
1561 |
ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1562 |
break; |
1563 |
|
1564 |
case 0xc0: /* PSa */ |
1565 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
1566 |
ui_patblt(ROP2_AND, x, y, cx, cy, brush, bgcolour, fgcolour); |
1567 |
break; |
1568 |
|
1569 |
default: |
1570 |
unimpl("triblt 0x%x\n", opcode); |
1571 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
1572 |
} |
1573 |
} |
1574 |
|
1575 |
void |
1576 |
ui_line(uint8 opcode, |
1577 |
/* dest */ int startx, int starty, int endx, int endy, |
1578 |
/* pen */ PEN * pen) |
1579 |
{ |
1580 |
SET_FUNCTION(opcode); |
1581 |
SET_FOREGROUND(pen->colour); |
1582 |
XDrawLine(g_display, g_wnd, g_gc, startx, starty, endx, endy); |
1583 |
if (g_ownbackstore) |
1584 |
XDrawLine(g_display, g_backstore, g_gc, startx, starty, endx, endy); |
1585 |
RESET_FUNCTION(opcode); |
1586 |
} |
1587 |
|
1588 |
void |
1589 |
ui_rect( |
1590 |
/* dest */ int x, int y, int cx, int cy, |
1591 |
/* brush */ int colour) |
1592 |
{ |
1593 |
SET_FOREGROUND(colour); |
1594 |
FILL_RECTANGLE(x, y, cx, cy); |
1595 |
} |
1596 |
|
1597 |
/* warning, this function only draws on wnd or backstore, not both */ |
1598 |
void |
1599 |
ui_draw_glyph(int mixmode, |
1600 |
/* dest */ int x, int y, int cx, int cy, |
1601 |
/* src */ HGLYPH glyph, int srcx, int srcy, |
1602 |
int bgcolour, int fgcolour) |
1603 |
{ |
1604 |
SET_FOREGROUND(fgcolour); |
1605 |
SET_BACKGROUND(bgcolour); |
1606 |
|
1607 |
XSetFillStyle(g_display, g_gc, |
1608 |
(mixmode == MIX_TRANSPARENT) ? FillStippled : FillOpaqueStippled); |
1609 |
XSetStipple(g_display, g_gc, (Pixmap) glyph); |
1610 |
XSetTSOrigin(g_display, g_gc, x, y); |
1611 |
|
1612 |
FILL_RECTANGLE_BACKSTORE(x, y, cx, cy); |
1613 |
|
1614 |
XSetFillStyle(g_display, g_gc, FillSolid); |
1615 |
} |
1616 |
|
1617 |
#define DO_GLYPH(ttext,idx) \ |
1618 |
{\ |
1619 |
glyph = cache_get_font (font, ttext[idx]);\ |
1620 |
if (!(flags & TEXT2_IMPLICIT_X))\ |
1621 |
{\ |
1622 |
xyoffset = ttext[++idx];\ |
1623 |
if ((xyoffset & 0x80))\ |
1624 |
{\ |
1625 |
if (flags & TEXT2_VERTICAL) \ |
1626 |
y += ttext[idx+1] | (ttext[idx+2] << 8);\ |
1627 |
else\ |
1628 |
x += ttext[idx+1] | (ttext[idx+2] << 8);\ |
1629 |
idx += 2;\ |
1630 |
}\ |
1631 |
else\ |
1632 |
{\ |
1633 |
if (flags & TEXT2_VERTICAL) \ |
1634 |
y += xyoffset;\ |
1635 |
else\ |
1636 |
x += xyoffset;\ |
1637 |
}\ |
1638 |
}\ |
1639 |
if (glyph != NULL)\ |
1640 |
{\ |
1641 |
ui_draw_glyph (mixmode, x + glyph->offset,\ |
1642 |
y + glyph->baseline,\ |
1643 |
glyph->width, glyph->height,\ |
1644 |
glyph->pixmap, 0, 0, bgcolour, fgcolour);\ |
1645 |
if (flags & TEXT2_IMPLICIT_X)\ |
1646 |
x += glyph->width;\ |
1647 |
}\ |
1648 |
} |
1649 |
|
1650 |
void |
1651 |
ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y, |
1652 |
int clipx, int clipy, int clipcx, int clipcy, |
1653 |
int boxx, int boxy, int boxcx, int boxcy, int bgcolour, |
1654 |
int fgcolour, uint8 * text, uint8 length) |
1655 |
{ |
1656 |
FONTGLYPH *glyph; |
1657 |
int i, j, xyoffset; |
1658 |
DATABLOB *entry; |
1659 |
|
1660 |
SET_FOREGROUND(bgcolour); |
1661 |
|
1662 |
if (boxcx > 1) |
1663 |
{ |
1664 |
FILL_RECTANGLE_BACKSTORE(boxx, boxy, boxcx, boxcy); |
1665 |
} |
1666 |
else if (mixmode == MIX_OPAQUE) |
1667 |
{ |
1668 |
FILL_RECTANGLE_BACKSTORE(clipx, clipy, clipcx, clipcy); |
1669 |
} |
1670 |
|
1671 |
/* Paint text, character by character */ |
1672 |
for (i = 0; i < length;) |
1673 |
{ |
1674 |
switch (text[i]) |
1675 |
{ |
1676 |
case 0xff: |
1677 |
if (i + 2 < length) |
1678 |
cache_put_text(text[i + 1], text, text[i + 2]); |
1679 |
else |
1680 |
{ |
1681 |
error("this shouldn't be happening\n"); |
1682 |
exit(1); |
1683 |
} |
1684 |
/* this will move pointer from start to first character after FF command */ |
1685 |
length -= i + 3; |
1686 |
text = &(text[i + 3]); |
1687 |
i = 0; |
1688 |
break; |
1689 |
|
1690 |
case 0xfe: |
1691 |
entry = cache_get_text(text[i + 1]); |
1692 |
if (entry != NULL) |
1693 |
{ |
1694 |
if ((((uint8 *) (entry->data))[1] == |
1695 |
0) && (!(flags & TEXT2_IMPLICIT_X))) |
1696 |
{ |
1697 |
if (flags & TEXT2_VERTICAL) |
1698 |
y += text[i + 2]; |
1699 |
else |
1700 |
x += text[i + 2]; |
1701 |
} |
1702 |
for (j = 0; j < entry->size; j++) |
1703 |
DO_GLYPH(((uint8 *) (entry->data)), j); |
1704 |
} |
1705 |
if (i + 2 < length) |
1706 |
i += 3; |
1707 |
else |
1708 |
i += 2; |
1709 |
length -= i; |
1710 |
/* this will move pointer from start to first character after FE command */ |
1711 |
text = &(text[i]); |
1712 |
i = 0; |
1713 |
break; |
1714 |
|
1715 |
default: |
1716 |
DO_GLYPH(text, i); |
1717 |
i++; |
1718 |
break; |
1719 |
} |
1720 |
} |
1721 |
if (g_ownbackstore) |
1722 |
{ |
1723 |
if (boxcx > 1) |
1724 |
XCopyArea(g_display, g_backstore, g_wnd, g_gc, boxx, |
1725 |
boxy, boxcx, boxcy, boxx, boxy); |
1726 |
else |
1727 |
XCopyArea(g_display, g_backstore, g_wnd, g_gc, clipx, |
1728 |
clipy, clipcx, clipcy, clipx, clipy); |
1729 |
} |
1730 |
} |
1731 |
|
1732 |
void |
1733 |
ui_desktop_save(uint32 offset, int x, int y, int cx, int cy) |
1734 |
{ |
1735 |
Pixmap pix; |
1736 |
XImage *image; |
1737 |
|
1738 |
if (g_ownbackstore) |
1739 |
{ |
1740 |
image = XGetImage(g_display, g_backstore, x, y, cx, cy, AllPlanes, ZPixmap); |
1741 |
} |
1742 |
else |
1743 |
{ |
1744 |
pix = XCreatePixmap(g_display, g_wnd, cx, cy, g_depth); |
1745 |
XCopyArea(g_display, g_wnd, pix, g_gc, x, y, cx, cy, 0, 0); |
1746 |
image = XGetImage(g_display, pix, 0, 0, cx, cy, AllPlanes, ZPixmap); |
1747 |
XFreePixmap(g_display, pix); |
1748 |
} |
1749 |
|
1750 |
offset *= g_bpp / 8; |
1751 |
cache_put_desktop(offset, cx, cy, image->bytes_per_line, g_bpp / 8, (uint8 *) image->data); |
1752 |
|
1753 |
XDestroyImage(image); |
1754 |
} |
1755 |
|
1756 |
void |
1757 |
ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy) |
1758 |
{ |
1759 |
XImage *image; |
1760 |
uint8 *data; |
1761 |
|
1762 |
offset *= g_bpp / 8; |
1763 |
data = cache_get_desktop(offset, cx, cy, g_bpp / 8); |
1764 |
if (data == NULL) |
1765 |
return; |
1766 |
|
1767 |
image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0, |
1768 |
(char *) data, cx, cy, BitmapPad(g_display), cx * g_bpp / 8); |
1769 |
|
1770 |
if (g_ownbackstore) |
1771 |
{ |
1772 |
XPutImage(g_display, g_backstore, g_gc, image, 0, 0, x, y, cx, cy); |
1773 |
XCopyArea(g_display, g_backstore, g_wnd, g_gc, x, y, cx, cy, x, y); |
1774 |
} |
1775 |
else |
1776 |
{ |
1777 |
XPutImage(g_display, g_wnd, g_gc, image, 0, 0, x, y, cx, cy); |
1778 |
} |
1779 |
|
1780 |
XFree(image); |
1781 |
} |